Pin pytest-runner to latest version 4.2

[pyup-bot]

This PR pins pytest-runner to the latest release 4.2.

Changelog

4.2

===

* 40: Remove declared dependency and instead assert it at
run time.

4.1

===

* 40: Declare dependency on Setuptools in package metadata.

4.0

===

* Drop support for Setuptools before Setuptools 27.3.0.

3.0.1

=====

* 38: Fixed AttributeError when running with ``--dry-run``.
``PyTest.run()`` no longer stores nor returns the result code.
Based on the commit message for `840ff4c <
https://github.com/pytest-dev/pytest-runner/commit/840ff4c2bf6c752d9770f0dd8d64a841060cf9bc>`_,
nothing has ever relied on that value.

3.0

===

* Dropped support for Python 2.6 and 3.1.

2.12.2

======

* 33: Packaging refresh.

2.12.1

======

* 32: Fix support for ``dependency_links``.

2.12

====

* 30: Rework support for ``--allow-hosts`` and
``--index-url``, removing dependence on
``setuptools.Distribution``'s private member.
Additionally corrects logic in marker evaluation
along with unit tests!

2.11.1

======

* 28: Fix logic in marker evaluation.

2.11

====

* 27: Improved wording in the README around configuration
for the distutils command and pytest proper.

2.10.1

======

* 21: Avoid mutating dictionary keys during iteration.

2.10

====

* 20: Leverage technique in `setuptools 794
<https://github.com/pypa/setuptools/issues/794>`_
to populate PYTHONPATH during test runs such that
Python subprocesses will have a dependency context
comparable to the test runner.

2.9

===

* Added Trove Classifier indicating this package is part
of the pytest framework.

2.8

===

* 16: Added a license file, required for membership to
pytest-dev.
* Releases are now made automatically by pushing a
tagged release that passes tests on Python 3.5.

2.7

===

* Moved hosting to Github.

2.6

===

* Add support for un-named, environment-specific extras.

2.5.1

=====

* Restore Python 2.6 compatibility.

2.5

===

* Moved hosting to `pytest-dev
<https://bitbucket.org/pytest-dev/pytest-runner>`_.

2.4

===

* Added `documentation <https://pythonhosted.org/pytest-runner>`_.
* Use setuptools_scm for version management and file discovery.
* Updated internal packaging technique. README is now included
in the package metadata.

2.3

===

* Use hgdistver for version management and file discovery.

2.2

===

* Honor ``.eggs`` directory for transient downloads as introduced in Setuptools
7.0.

2.1

===

* The preferred invocation is now the 'pytest' command.

2.0

===

* Removed support for the alternate usage. The recommended usage (as a
distutils command) is now the only supported usage.
* Removed support for the --junitxml parameter to the ptr command. Clients
should pass the same parameter (and all other py.test arguments) to py.test
via the --addopts parameter.

1.1

===

* Added support for --addopts to pass any arguments through to py.test.
* Deprecated support for --junitxml. Use --addopts instead. --junitxml will be
removed in 2.0.

1.0

===

Initial implementation.

Links

• PyPI: https://pypi.org/project/pytest-runner
• Changelog: https://pyup.io/changelogs/pytest-runner/
• Repo: https://github.com/pytest-dev/pytest-runner